APA (7th ed.) Citation

Procopius Caesariensis 500-562 & Williamson, G. A. (2007). The secret history (New ed.). Penguin.

Chicago Style (17th ed.) Citation

Procopius Caesariensis 500-562 and G. A. Williamson. The Secret History. New ed. London: Penguin, 2007.

MLA (9th ed.) Citation

Procopius Caesariensis 500-562 and G. A. Williamson. The Secret History. New ed. Penguin, 2007.

Warning: These citations may not always be 100% accurate.